Mosterd3d

This plugin contains a rating module. Add a rating to a post. You can set multiple ratings to one post. The ratingform in front will be include inside the commentform. 
Add [averageRating] inside your post as short-code to show the average.
<h3>Arbitrary section 1</h3>

DD Rating

Just another DD rating plugin. Add ratings to posts.

Miaz Akemapa

S3 Rating is a very simple plugin to insert Star Rating into your posts / pages using shortcode.
S3 Rating Features:
<ul>
<li>Insert star rating using shortcode</li>
<li>Using built-in star image size</li>
<li>Or Upload your own star images</li>
<li>Compatible with the latest wordpress</li>
<li>Translation Ready!</li>
</ul>
Read more details dan demo here: 
<a href="http://www.vnetware.com/s3rating" rel="nofollow ugc">http://www.vnetware.com/s3rating</a>

DD Rating vs S3 Rating